US2834344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for penetrating teeth with fluoride
Assignee: Lion Brush KK
•
Filing: 1955-07-20
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Granted: 1958-05-13
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Expires: 1975-07-20
Abstract
No abstract record available.
Inventors
- 👤 Kanai Masakuni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:29
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/0095; A46B15/00; A46B15/0002; A46B15/0016; A46B15/0022; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |